OT-2026-000000683
Publication integrity record
Method to control gap for sheet manufacturing measurement processes
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000000683) never changes.
Identity and time
| Publication number | OT-2026-000000683 · never reused |
|---|---|
| Internal UUID | 01a0a673-b1c0-7d08-a186-2817f2a6586c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:15.136501Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000683 |
| Status | PUBLIC |
Content hashes
| Canonical text | be29582dc0d6b4865bd3e9626cb49c9f2b135399dfb8cf8b79ba15decbc4d5e3 |
|---|---|
| Markdown | a8f3635eda4567ee6d4e43033a6d440599a6c8248051dc57f483345867d75ba8 |
| Publication page | 26f31e734bde8a6e95fe30a99337eeeea3a6a1a78a12c5c48145aa1d9e4c112e |
| Manifest | 88033549b4e8b17637ff99a75f1d10902428b60a8d1b5c6f8ba00a7657483022 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | B9IY7kAHLX/zzjAT/r1bOEG65GGgOYJW62E4C6n1jFPBkTHoYJ3YxdxO/5fAvXaPUZTYDdZmg+1lKGFI362tAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-10-23T20:41:31.575594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000683observed 26f31e734bde8a6e95fe30a99337eeee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T20:41:31.529364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000683/manifest.jsonobserved 88033549b4e8b17637ff99a75f1d1090...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T20:41:31.470482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000683/publication.mdobserved a8f3635eda4567ee6d4e43033a6d4405...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T20:41:31.317737Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000683/publication.txtobserved be29582dc0d6b4865bd3e9626cb49c9f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:06.987646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000683observed 26f31e734bde8a6e95fe30a99337eeee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:06.775239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000683/manifest.jsonobserved 88033549b4e8b17637ff99a75f1d1090...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:06.670725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000683/publication.mdobserved a8f3635eda4567ee6d4e43033a6d4405...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:06.528218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000683/publication.txtobserved be29582dc0d6b4865bd3e9626cb49c9f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|